package com.sky.controller.admin;

import com.sky.constant.StatusConstant;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    @ApiOperation("新增菜品")
    @PostMapping
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWhithFlavor(dishDTO);
        //删除redis数据库中的数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }
    /*
    * 菜品分页查询
    * @param dishPageQueryDTO
    * @return
    * */
    @ApiOperation("菜品分页查询")
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }
    /*
    * 菜品批量删除
    * @param ids
    * @return
    */
    @ApiOperation("菜品批量删除")
    @DeleteMapping
    public Result delete(@RequestParam List<Long> ids){
         log.info("菜品批量删除：{}", ids);
         dishService.deleteBatch(ids);
         //删除redis数据库中的数据
        cleanCache("dish_*");
        return Result.success();
    }
    @ApiOperation("根据id查询菜品")
    @GetMapping("/{id}")
    public Result<DishVO> getDish(@PathVariable Long id){
        log.info("根据id查菜品： {}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);
        //删除redis数据库中的数据
        cleanCache("dish_*");

        return Result.success();
    }
    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<DishVO>> list(Long categoryId) {
        Dish dish = new Dish();
        dish.setCategoryId(categoryId);
        dish.setStatus(StatusConstant.ENABLE);//查询起售中的菜品

        List<DishVO> list = dishService.listWithFlavor(dish);

        return Result.success(list);
    }

    /*
    * 清理缓存数据
    * @param pattern
     */
    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys("dish_" + pattern);
        redisTemplate.delete(keys);
    }
}
